"Colin was great to deal with. Very friendly and helpful and we’re very happy with the end result. They also came round on a Saturday morning to carry on the job when it took a bit longer than expected. Would highly recommend to others."

"So easy to deal with, the windows look great and now I can’t wait to get the rest of the house done! Colin had no issue with coming out to check and sort a very small issue I wasn’t happy with as he wanted me to be 100% happy, great service and would happily recommend! "

"I'm doing a full house renovation and unfortunately before finding Colin at Diamond I had to deal with a few other window companies who let me down (no-shows, proposing something not code compliant, 4 month install waits). I immediately had confidence in Colin, he was upfront, honest, did exactly what he said he would, when he said he'd do it, and was easy to communicate with. The price was competitive and he worked with no fuss around weather and our builders. And the windows look great: a… really high quality product, installed with care."

"We have previously had PVC double glazing windows installed by Diamond Double Glazing and have also used them for other glazing repair work. We have just had another PVC window installed by them, and as previously we have found their customer service, workmanship and product to be excellent. "

"Colin did an excellent job with my kitchen windows, then went the extra mile. Without being asked to, he generously did a repair job for me using the protective plywood that had been installed temporarily outside my kitchen while a window was being double-glazed. Much appreciated."

"Diamond double glazing gave a reasonable quote, were efficient and kept in communication throughout the process. Colin was wonderful with advice but never pushy and went the extra mile to be helpful on this job. After some delays in sourcing the windows (which was not the fault of Diamond double glazing, the windows were replaced quickly and effectively with good finish. I sincerely recommend Colin and his highly professional team for all retrofitting work and glazing."

"Colin and his crew installed double glazing throughout my house and installed new french doors. They did a great job and I am very happy with how everything went. There was good communication from Colin and they were nice to deal with. Highly recommend this company."

"Colin was great to deal with, was flexible with times coming out to measure and quote for our windows, gave us lots of options and explained the differences, and when the time came to do the install the work was done in a timely fashion to a high standard. The uPVC framed double glazing he installed looks great in our house and looks and feels like a high quality product. Would thoroughly recommend and will definitely go back to Colin if we want any other work done. Thanks."

"Diamond double glazing gave a reasonable quote, were efficient, kept to deadlines and were trustworthy. The windows were replaced quickly and with good finish. Would recommend them for all retrofitting work."

"Colin was a pleasure to deal with and gave me sound advice. He double glazed two sets of sash windows and a set of French doors for me. The job was done quickly and efficiently by his friendly team and the workmanship was of a high standard. Attention given to detail resulted in an excellent finished look. "

"The best man to do the double glazing. The way he looks after and finishes the job , it’s a pleasure to watch . And he is so flexible with the yong family like me. My whole family wanted to say only three wordsThank you Colin. Whenever u r free , please come for coffee & Bourbon biscuits."

"I would call this a mixed results project. Colin was very good about coming and talking to us about our options, but there was a very long delay between us saying we were giving him the job and actual installation (April to December). The windows themselves look great and are helping keep the house cool during a heat wave, and I'm looking forward to a reduced power bill come winter. The little downside was that they were a bit sloppy about filling in the screw holes and cracks left (they… redid some of these after Christmas when asked, but there were some windows where I had to do a lot of crack filling so I could get them painted over the holidays.) The big downside was that the team had no sense of taking precautions about the lead in the paint that was coming off the window frames - we had to ask them twice to respect the plastic dropsheets we'd put down inside, and in one room, a dropsheet was pulled off my daughter's bed for some reason and not replaced; the outside had a lot of paintflakes that have needed cleaning up and safe disposal. So that was frustrating."

"We arranged for Diamond Double Glazing to provide and install five new PVC Double Glazed windows in our home. We were very impressed with the work Colin and his team provided. The new windows are excellent, and we also consider the workmanship and friendly service provided by Diamond Double Glazing to be excellent. Colin was also able to expertly fix an old ranch slider for us."

"Recently I commissioned 2 double glazed units, a bedroom window and a large lounge window which included a sliding door from Diamond Double Glazing & Property Maintenance. The delivery time of around 6 weeks from date of order in October was met and the units were installed quickly and efficiently. A manufacturing problem with one glass panel was attended to very quickly even though it was a very busy time of year. I was impressed by the communication of the job by Colin and the overall… quality of the product."

"Colin and his team refurbished 2 window sashes in our bedroom and retrofitted double glazing. We were so pleased with the results we had another three sashes done in our spare bedroom. Communications were prompt, professional and courteous, and the final result was great. We will definitely be hiring Diamond to do more windows in the coming months!"

"We were very happy with the service provided by Colin and his team. The windows have made a huge difference in retaining heat in the house and also reducing the outside noise. I would definitely recommend Diamond Double Glazing!"

"Colin and his crew were excellent. They turned up when they said they would and got the job (retrofitting double glazing to one bedroom - including replacing 2 rotten windows) done quicker than expected. They communicated really well throughout the whole process and kept me well updated. At the point of getting the quote, I advised I could not afford to do the whole house at once and they were still happy to quote for the whole house and itemised each room. This made it easier to decide if I… was going to do one room, or a couple at once. I highly recommend them and will be using them to do the rest of my windows."

"We chose Diamond for our double glazing because we read other positive feedback. We weren't disappointed either. The quote was really reasonable, Colin was prompt in his communication with us, turned up when he said he would and when the windows were ready he put them in really fast. His crew were excellent and we are delighted with the product, it's really high quality. Can't recommend these guys highly enough. We'll be going back for more soon! *Tip* order double glazing in Summer/Spring… because there is a long wait when you do it in Winter ..."

"I don't normally do reviews but this work we have done has been EXCEPTIONAL After more than a few "no shows" from others who were booked to come and quote, we really feel we hit the jackpot. A real "straight down the line" guy, who is honest and tells you what is needed. Colin then gave us a variation of types of glass, costs etc and what would be good in terms of suiting the property. He was on time, polite, got the work done quickly to a VERY high standard. The work has… made such a difference already to the warmth in our home. Have booked Colin for more work when he can fit us in. I can't recommend enough! Thanks so much for your high standard of customer care Colin."

"Colin just recently replaced all our windows in a 1950s house in Johnsonville, Wellington and we are thrilled with the finish. We asked for the windows to still retain the look of a 1950s house and he was able to match the original look-awning and other window combinations in each room, if it wasnt exact match in some rooms it was pretty close to it. The handles are like European window handles. Colin is very pleasant to deal with also. Totally Recommend :)"

"Colin and Adam came and did a great job. Good communication, great execution. Friendly and knowledgeable - on the basis of the room they did for me, I asked them to do the rest of the house straight away and recommended them to my neighbours. Thanks, Andrew"

"Diamond Double Glazing installed double glazing in the ground floor bedrooms of a unit we recently bought in Kelburn for our son and daughter attending Victoria Uniniversity. Living in the South Island, not being a Wellingtonian, picking a Contractor was not easy, though "No Cowboys" helped. I was impressed by DDG's quick, friendly response and reasonable quote. Colin went to a lot of trouble to match the colour of the existing frames. When he was ready to install the units I made a… trip to Wellington to be present while the work was carried out. I need not have bothered. Colin turned up when he said he would, got on with the job and finished ahead of the agreed time. No mess. Totally professional. If I get round to double-glazing the rest of the unit I will have no hesitation in using DDG again. Thanks Colin."

"Colin was very helpful, giving advice and obtaining fittings for us. Occasionally it took a while for him to respond to texts & emails. The old sashes they double glazed for us fit well now and move smoothly. It was great that they cleaned up and painted the sashes as part of the job, though we would have been happier if they did a bit more prep before painting. The final effect is great from the point of view of noise, warmth and look. We'd definitely recommend Diamond Double Glazing to… others."

""Colin Steadman gave great service, he gave a written quote, and was exact with when the work would be completed. Also I was impressed with his advice which he gave freely. His work was thorough, and I would highly recommend him, actually I have recommended him.""

"Colin and team done fantastic job in PVC double glazing all our bedrooms and bathroom. 3 months so far every day enjoying the result. The quote is comprehensive and very reasonable. The job carried out professionally and at high standard. "

"Colin removed some old horrible patio style doors for us and replaced them with a lovely large double glazed window in our kitchen, it has turned what was once an eye-sore into a wonderful feature in our home, everything was taken care of including all paint work around the framing and took away all the rubbish. Will definitely be using Diamond Double Glazing again and highly recommend them!"

"Colin and his team did a fantastic job retro fitting 3 windows to double glaze them with safety glass. The quality of the work is outstanding. The work was done in a professional manner and the service was friendly. "

"Fantastic - the work was done to a very high standard. Had an issue with the glass (not Colin/Diamond's fault) for one of the windows, but was fixed up with no problems or cost. Did have issues with the weather slowing things down, but that's Wellington for you!

Colin is also great to deal with - doesn't push you into decisions, just gives you the facts, and lets you make the final choice.

"Colin repaired a couple of munted sashes and suggested a much better (and cheaper) option than a builder had suggested to us. He provided options and outlined the pros and cons of each. Once we agreed on the way forward he was prompt and professional in performing the job, and went above expectation by filling and painting the window (sash and mullion) also installation.

I wouldn't hesitate to use Colin again in future and I don't doubt that I will.

"Excellent builder. Reliable and a very good communicator. Colin seeks cost effective solutions and we would highly recommend Diamond Double Glazing to others seeking a wide range of building services."

"I have been thrilled whenever I've called Colin to take care of a job needing doing around the home - and I mean 'take care' as he took charge but consulted by giving me informed choices and made everything easy. The end product - superb. Colin has succeeded where others have failed at providing a solution so I am one very happy customer. Seems to be able to turn his hand to anything!"

"Colin did a job for our business and he was timely in his work, very knowledgable about all our options and his quote was very reasonable. The job was done extremely well. I would recommend Diamond Double Glazing to anyone needing the services they offer, and will be recommending him to my friends and family."

"Colin was very easy to talk to and fully understood our requirements.He was able to offer the perfect solution for us and completed the work to a very high standard, in an acceptable time-frame and at a good price"

"Colin completed a number of property maintenance jobs at my home in Petone. He was very reliable , efficient and his work was of a very good standard . He also charged a reasonable price as quoted . He came around straight away on one occasion to assist me with an unexpected problem installing a dishwasher . Both Colin and Bev are very pleasant and friendly to deal with . I have recommended Colin to a friend who is also very satisfied . I will definitely use Colins services again. "

"Colin provided me with a comprehensive quotation for retrofitting my windows. He discussed the options and presented information in a well-thought out way. Although I didn't proceed in the end due to other unrelated considerations, I did discover that Colin was very handy with a paint brush! It wasn't long before my whole exterior of my old and weathered brick house was prep'ed and painted like new! Colin was punctual and scrupulously honest with his hours. I would recommend Colin to anyone… wanting a professional job done from end-to-end, whatever he turns his hand to for you."

"Great job well done. I am planning to have more windows double-glazed this year and would definitely get Colin from Diamond Double Glazing to do this. He is very experienced and completed job was excellent. "

"Colin Steadman gave great service, he gave a written quote, and was exact with when the work would be completed. Also I was impressed with his advice which he gave freely. His work was thorough, and I would highly recommend him, actually I have recommended him."

"Colin did some repair work around our house last year and we were more than happy with the results. He was very professional and did the work in a satisfactory time frame, we were happy with the cost and would definitely use Colin again should the need arise."

"I highly recommend Colin for any double glazing requirements. His workmanship was of the highest quality and the whole process of replacing our windows was done with the minimum inconvenience to us. The warmth of the house has been greatly improved and now there is no more condensation. It's definitely all been worth it."

"We were very happy with the expertise and speed that Colin achieved with the installation of our double glazed windows and doors. He was always approachable with the many changes we imposed along the way and was always willing to help us make good choices. Thanks heaps for all your help guys, and the benefits are definitely showing with heat reduction over summer and retention in the cooler weather starting now"

"Colin came and gave us a very reasonable quote before starting work replacing our regular windows with double glazed windows. He worked in a timely manner and we were more than happy with the quality of the product. "

"We were very happy with the quote that Colin gave us. He then followed through with a very good job on our bedroom windows, keeping in mind our requests and last minute changes. He then followed up after the job to ensure that we were still happy and he promptly came to redo the beading that loosened due to us opening the window too soon."

About usDiamond Double Glazing is locally owned and operated by Colin and Bev. We are based in Lower Hutt and service the Hutt Valley, Wellington region, Porirua and Kapiti Coast.

We bring to the company a marriage-partnership that has lasted a great many years, a passion for doing more than just "a quality job", and with over 30 years experience in the Double Glazing business we stand by our workmanship, quality and integrity. It's important that our client relationship is comfortable and that you feel like we are committed to working on 'your' project only. Our longevity within the industry demonstrates our commitment, resolve and willingness to our customers satisfaction.

What we doWe Retro fit double glazing to your existing aluminium and timber windows and doors (even vertical sliding windows), or install new Aluminium or European design PVCu inserts.

This is also the ideal time to consider any alterations to the configuration of your windows, eg removal of some sashes for a larger window to achieve a panoramic view. It can also be a good time to update security fittings.

With over 30 years experience in the Double Glazing business we stand by our workmanship, quality and integrity. It's important that our client relationship is comfortable and that you feel like we are committed to working on 'your' project only.

Our longevity within the industry demonstrates our commitment, resolve and willingness to our customers satisfaction. Take a look at our website for much more information, more testimonials and pictures of some of the jobs we have carried out.

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